7
1.3.3.
Ventilation unit's control cabinet
Control unit
The ventilation unit's control unit This is where the control
panel (HMI) and sensors and other components of the
ventilation unit are connected. It is also possible to connect
an SD memory card to back up or reload configuration
settings and parameters for the system.
HMI
The control panel on which all settings and readings take
place. It has an 8-line graphic display and you navigate
the menu tree using a dial that is turned. Selections are
confirmed by pressing the same button.
Terminal board
It is a circuit board that connects the components to the
control unit. External components such as dampers are
connected to this board via the terminal blocks on the board.
The board's components have the following functions:
Component
Function
P1
Connection for power supply
P2
Data communication
P3
Data communication
P4
Connection for external pressure sensor (accessory)
P5
Connection for external pressure sensor (accessory)
P6
Connection for 24V transformer
P7
Data communication
P8
Connection for digital outputs
P9
Connection for control signals
P10
Terminal block for 230V signals
P12
Terminal block for control signals
P14
Terminal block for protective earth (PE)
X1 M X2 X3 M X4 X5 M X6 X7 M X3 +24V +24V
Y1 M Y2
D1 M D2 D3 M D4 D5 M
Q13 Q14 Q23 Q24 Q33 Q34 Q43 Q44
Q53 Q54 Q63 Q64
CE - CE+
REF B - A +
0V 24V=
T1
T2
T3
T4
T6
T7
T8
T9
20
11
1
10
P9
P12
P10
P8
1 2 3 4 5 6 7 8 9
12
7
1
6
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44
10 11 12 13 14 15 16 17 18 19 20
P7
P6
P5
P4
1
3
1
2
3
2
4
6
5
1
2
3
4
1
2
3
4
P14
P1
P3
P2
1 2 3 4 5
8
2
9
3
10
4
11
5
6
2
3
14
4
15
5
9
7
8
12
13
18
19
16
17
